(Phys.org)—NASA's Curiosity rover has, for the first time, used a drill carried at the end of its robotic arm to bore into a flat, veiny rock on Mars and collect a sample from its interior. This is the first time any robot ...

Far beyond the orbits of Neptune and Pluto, where the sun is a pinprick of light not much brighter than other stars, a vast swarm of icy bodies circles the solar system. Astronomers call it the "Oort Cloud," and it is the ...

Two adventurers attempting to recreate an epic 1916 Antarctic expedition by Ernest Shackleton were on Saturday stranded on a plateau above a glacier after wild weather hit the final leg of their journey.

Dell Inc.'s decision to sell itself for $24.4 billion to a group led by its founder and CEO is being ridiculed as a rotten deal by a major shareholder who estimates the slumping personal computer maker is really worth more ...